Earjax BZ-ELS00-0611 Lyrics Series Headphones, Black Included in box: Zippered hard case, Clip, 3 ft. braided extension cable, earjax sticker decals, Multi-tip fit kit: S,M,L, standard tips; S,M, L, transparent; S, M three-tiered tips; Black foam tips Speaker Type: High-Def mini speaker, Speaker Diameter: 13mm Freq. Response: 15 Hz - 25k Hz, Power Handling: 3 mW, Sensitivity: 105 dB 1mW, Impedance: 24 ohm Cable Type: woven cloth braid, Plug Type: Aluminum, gold-plated